CN107621405B - Multifunctional mechanical stretching experiment clamp - Google Patents
Multifunctional mechanical stretching experiment clamp Download PDFInfo
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- CN107621405B CN107621405B CN201710981546.3A CN201710981546A CN107621405B CN 107621405 B CN107621405 B CN 107621405B CN 201710981546 A CN201710981546 A CN 201710981546A CN 107621405 B CN107621405 B CN 107621405B
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- 238000000034 method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
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Abstract
The invention relates to a multifunctional mechanical stretching experiment clamp, and belongs to the technical field of experiment equipment. The fixture comprises a supporting frame, a stretching supporting sleeve and a fusiform or double-head conical clamping block, wherein the stretching supporting sleeve is arranged on the supporting frame; the center of the stretching supporting sleeve is provided with a clamping block cavity, and the clamping block is arranged in the clamping block cavity. The invention can realize the mechanical stretching experiment of sheet-shaped, cylindrical, square column-shaped and triangular prism-shaped samples on one clamp; the multifunctional mechanical stretching experiment device can be used for stably clamping the sample in the high-strength stretching experiment, has the characteristics of high stability, large clamping force, multiple types of clampable experiment pieces and the like, can solve the problem that the sample is short and difficult to effectively and stably clamp the sample to cause the falling phenomenon, and can also solve the problem of the safety of the experiment piece in the stretching process.
Description
Technical Field
The invention relates to a multifunctional mechanical stretching experiment clamp, and belongs to the technical field of experiment equipment.
Background
The mechanical stretching experiment is one of the mechanical methods for testing the metal material, and the test result is an important basis for evaluating the quality of the material. The existing clamp chuck has singleness and can not meet the mechanical stretching experiments of different material shapes.
For high-strength stretching experiments, the existing clamp cannot meet enough clamping force to cause slipping or even falling of an experiment piece, so that experimental data acquisition is inaccurate to cause experimental failure.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides the multifunctional mechanical stretching experiment clamp which can solve the problems that the clamp is complicated to be replaced or even the clamp which is suitable for experimental materials cannot be found because of testing different samples; and the problem of slipping caused by unstable clamping of the sample in a high-strength stretching experiment is solved, so that the clamping stability is improved.
The invention adopts the technical proposal for solving the technical problems that:
a multifunctional mechanical stretching experiment clamp comprises a support frame 1, a stretching support sleeve 2 and a fusiform or double-head conical clamping block, wherein the stretching support sleeve 2 is arranged on the support frame 1; the center of the stretching supporting sleeve 2 is provided with a clamping block cavity, and the clamping block is arranged in the clamping block cavity;
the supporting frame 1 is vertically provided with a supporting rod I3, a supporting rod II 4, a supporting rod III 5 and a supporting rod IV 6 which extend upwards,
the vertical direction in the wall of the stretching supporting sleeve 2 is provided with a deep hole I7, a deep hole II 8, a deep hole III 9, a deep hole IV 10, a chute I11, a chute II 12, an inclined guide groove I13 and an inclined guide groove II 14, wherein the deep hole I7, the deep hole II 8, the chute I11 and the inclined guide groove I13 are arranged from outside to inside, the deep hole IV 10, the deep hole III 9, the chute II 12 and the inclined guide groove II 14 are arranged from outside to inside, the aperture of the deep hole I7, the deep hole II 8, the deep hole III 9 and the deep hole IV 10 is the same, the deep hole I7 and the deep hole IV 10 are axisymmetric, the deep hole II 8 and the deep hole III 9 are axisymmetric, the chute I11 and the chute II 12 penetrate through the wall of the stretching supporting sleeve 2 and are axisymmetric, the chute I11 penetrates through the deep hole I7 and the deep hole II 8, the chute II 12 penetrates through the deep hole III 9 and the deep hole IV 10, the chute I11 and the chute II 12 are the same in size and smaller than the aperture of the deep hole I7, the inclined guide groove I13 and the chute II 14 are the same in size and axisymmetric; the deep holes I7, II 8, III 9 and IV 10 are respectively provided with springs I15, II 16, III 17 and IV 18 with the same size, the lower ends of the springs I15, II 16, III 17 and IV 18 are connected with guide blocks I19, II 20, III 21 and IV 22 with the same size, the diameters of the guide blocks I19 are matched with the diameters of the deep holes I7, the top ends of the support rods I3, II 4, III 5 and IV 6 are respectively fixedly connected with the bottom ends of the guide blocks I19, II 20, III 21 and IV 22, and the middle parts of the guide blocks I19, II 20, III 21 and IV 22 are provided with perforations with the same diameters in the horizontal direction;
further, the clamping blocks comprise clamping blocks I23 and II 24 with the same size, the clamping blocks I23 and II 24 are axisymmetric, a guide rail I25 is arranged on the outer wall of the clamping block I23, the lower part of the guide rail I25 is matched with an inclined guide groove I13 of the stretching supporting sleeve 2, a guide rail II 26 is arranged on the outer wall of the clamping block II 24, the lower part of the guide rail II 26 is matched with an inclined guide groove II 14 of the stretching supporting sleeve 2, a pressing block I27 is arranged on the outer side of the upper part of the guide rail I25, a pressing block II 28 is arranged on the outer side of the upper part of the guide rail II 26, the pressing block II 28 is matched with an inclined guide groove II 14 of the stretching supporting sleeve 2, a guide rod I extending outwards is horizontally arranged on the pressing block I27, a guide rod I extending outwards is arranged in the sliding groove I11 and penetrates through the through holes of the guide block I19 and the guide block II 20, a guide rod II extending outwards is horizontally arranged in the sliding groove II 12 and penetrates through the holes of the guide block III 21 and the guide block IV 22, and the guide rod I and II is identical in shape and axisymmetric;
the upper part of the stretching supporting sleeve 2 is also provided with a symmetrical connecting bayonet I29 and a symmetrical connecting bayonet II 30;
furthermore, a concave hole I31 and a concave hole II 32 with the same size are arranged in parallel on the inner side of the middle part of the clamping block I23, a concave hole III 33 and a concave hole IV 34 with the same size are arranged in parallel on the inner side of the middle part of the clamping block II 24, the concave hole I31 is matched with the concave hole III 33, the concave hole II 32 is matched with the concave hole IV 34, a spring V35 is arranged in the concave hole I31 and the concave hole III 33, one end of the spring V35 is connected with the clamping block I23, the other end of the spring V35 is connected with the clamping block II 24, a spring VI 36 is arranged in the concave hole II 32 and the concave hole IV 34, and one end of the spring VI 36 is connected with the clamping block I23, and the other end of the spring VI is connected with the clamping block II 24;
an upper holding surface I37 and a lower holding surface I38 are arranged on the inner side of the clamping block I23, an upper holding surface II 39 and a lower holding surface II 40 are arranged on the inner side of the clamping block II 24, the upper holding surface I37 is matched with the upper holding surface II 39, and the lower holding surface I38 is matched with the lower holding surface II 40;
further, the upper holding surface I37 and the upper holding surface II 39 are plane surfaces; the lower holding surface I38 and the lower holding surface II 40 are cambered surfaces; the upper holding surface I37, the upper holding surface II 39, the lower holding surface I38 and the lower holding surface II 40 are all provided with anti-skid patterns;
the lower clamping face I38 of the clamping block I23 is further provided with an angular groove 41.
The invention has the beneficial effects that:
(1) The invention can realize the mechanical stretching experiment of sheet-shaped, cylindrical, square column-shaped and triangular prism-shaped samples on one clamp; the multifunctional mechanical stretching experiment can be used for stably clamping the sample in the high-strength stretching experiment, the clamp has the characteristics of high stability, high clamping force, multiple types of clamping experimental pieces and the like, and the clamp can solve the problem that the sample is short and difficult to effectively and stably clamp so as to cause the falling phenomenon, and can also solve the problem of safety of the experimental pieces in the stretching process;
(2) The invention can realize flexible taking out of the clamping blocks from the supporting sleeve, and can directly carry out mechanical stretching experiments of samples with different shapes by exchanging the two ends, thereby improving the experimental efficiency.
Drawings
FIG. 1 is a schematic three-dimensional structure of a multifunctional mechanical stretching experiment jig of example 1;
FIG. 2 is a cross-sectional view of the multifunctional mechanical stretching experiment jig of example 1;
FIG. 3 is a top view of the clamp support sleeve of example 1;
FIG. 4 is a front cross-sectional view of the clamp support sleeve of example 1;
FIG. 5 is a left cross-sectional view of the clamp support sleeve of example 1;
FIG. 6 is a front view of a clamp block of example 1;
FIG. 7 is a top cross-sectional view of a clamp block of example 1;
FIG. 8 is a top view of a clamp block of example 1;
FIG. 9 is a bottom view of the clamp block of example 1;
in the figure: 1-supporting frame, 2-stretching supporting sleeve, 3-supporting rod I, 4-supporting rod II, 5-supporting rod III, 6-supporting rod IV, 7-deep hole I, 8-deep hole II, 9-deep hole III, 10-deep hole IV, 11-chute I, 12-chute II, 13-inclined chute I, 14-inclined chute II, 15-spring I, 16-spring II, 17-spring III, 18-spring IV, 19-guide block I, 20-guide block II, 21-guide block III, 22-guide block IV, 23-clamping block I, 24-clamping block II, 25-guide rail I, 26-guide rail II, 27-pressing block I, 28-pressing block II, 29-connecting bayonet I, 30-connecting bayonet II, 31-concave hole I, 32-concave hole II, 33-concave hole III, 34-concave hole IV, 35-spring V, 36-spring VI, 37-upper clamping surface I, 38-lower clamping surface I, 39-upper clamping surface II, 40-lower clamping surface II and 41-angle groove.
Detailed Description
The invention will be further described with reference to the following specific embodiments.
Example 1: as shown in fig. 1, a multifunctional mechanical stretching experiment fixture comprises a support frame 1, a stretching support sleeve 2 and a fusiform or double-headed conical clamping block, wherein the stretching support sleeve 2 is arranged on the support frame 1; the center of the stretching supporting sleeve 2 is provided with a clamping block cavity, and the clamping block is arranged in the clamping block cavity.
The supporting frame 1 is vertically provided with a supporting rod I3, a supporting rod II 4, a supporting rod III 5 and a supporting rod IV 6 which extend upwards,
the vertical direction in the wall of the stretching supporting sleeve 2 is provided with a deep hole I7, a deep hole II 8, a deep hole III 9, a deep hole IV 10, a chute I11, a chute II 12, an inclined guide groove I13 and an inclined guide groove II 14, wherein the deep hole I7, the deep hole II 8, the chute I11 and the inclined guide groove I13 are arranged from outside to inside, the deep hole IV 10, the deep hole III 9, the chute II 12 and the inclined guide groove II 14 are arranged from outside to inside, the aperture of the deep hole I7, the deep hole II 8, the deep hole III 9 and the deep hole IV 10 is the same, the deep hole I7 and the deep hole IV 10 are axisymmetric, the deep hole II 8 and the deep hole III 9 are axisymmetric, the chute I11 and the chute II 12 penetrate through the wall of the stretching supporting sleeve 2 and are axisymmetric, the chute I11 penetrates through the deep hole I7 and the deep hole II 8, the chute II 12 penetrates through the deep hole III 9 and the deep hole IV 10, the chute I11 and the chute II 12 are the same in size and smaller than the aperture of the deep hole I7, the inclined guide groove I13 and the chute II 14 are the same in size and axisymmetric; the deep holes I7, II 8, III 9 and IV 10 are respectively provided with springs I15, II 16, III 17 and IV 18 with the same size, the lower ends of the springs I15, II 16, III 17 and IV 18 are connected with guide blocks I19, II 20, III 21 and IV 22 with the same size, the diameter of the guide block I19 is matched with that of the deep hole I7, the top ends of the support rods I3, II 4, III 5 and IV 6 are respectively fixedly connected with the bottom ends of the guide blocks I19, II 20, III 21 and IV 22, and the middle parts of the guide blocks I19, II 20, III 21 and IV 22 are provided with perforations with the same diameter in the horizontal direction.
The clamp splice includes clamp splice I23, clamp splice II 24 that the size is the same, clamp splice I23 and clamp splice II 24 axisymmetry, the outer wall of clamp splice I23 is provided with guide rail I25, the lower part of guide rail I25 and the cooperation of oblique guide slot I13 of tensile support cover 2, the outer wall of clamp splice II 24 is provided with guide rail II 26, the lower part of guide rail II 26 and the cooperation of oblique guide slot II 14 of tensile support cover 2, the upper portion outside of guide rail I25 is provided with briquetting I27, briquetting I27 and the cooperation of oblique guide slot I13 of tensile support cover 2, the upper portion outside of guide rail II 26 is provided with briquetting II 28, briquetting II 28 and the cooperation of oblique guide slot II 14 of tensile support cover 2, the level is provided with outwards extending guide bar I on the briquetting I27, guide bar I sets up in spout I11 and passes the perforation of guide block I19 and guide block II 20, the level is provided with outwards extending guide bar II, guide bar II sets up in spout II 12 and passes the perforation of guide bar III 21 and guide bar IV 22, I and guide bar II shape is the same and axisymmetry.
The upper part of the stretching supporting sleeve 2 is also provided with a symmetrical connecting bayonet I29 and a symmetrical connecting bayonet II 30.
The clamp splice I23 middle part inboard parallel arrangement has shrinkage pool I31 and shrinkage pool II 32 that the size is the same, there are shrinkage pool III 33 and shrinkage pool IV 34 that the inside parallel arrangement size is the same in clamp splice II 24 middle part, shrinkage pool I31 and shrinkage pool III 33 cooperation, shrinkage pool II 32 and shrinkage pool IV 34 cooperation, be provided with spring V35 in shrinkage pool I31 and the shrinkage pool III 33, the one end and the clamp splice I23 of spring V35 are connected and the other end is connected with clamp splice II 24, be provided with spring VI 36 in shrinkage pool II 32 and the shrinkage pool IV 34, the one end and the clamp splice I23 of spring VI 36 are connected and the other end is connected with clamp splice II 24.
The inner side of the clamping block I23 is provided with an upper holding surface I37 and a lower holding surface I38, the inner side of the clamping block II 24 is provided with an upper holding surface II 39 and a lower holding surface II 40, the upper holding surface I37 is matched with the upper holding surface II 39, and the lower holding surface I38 is matched with the lower holding surface II 40.
The upper holding surface I37 and the upper holding surface II 39 are planes; the lower holding surface I38 and the lower holding surface II 40 are cambered surfaces; the upper holding surface I37, the upper holding surface II 39, the lower holding surface I38 and the lower holding surface II 40 are all provided with anti-skid patterns.
The lower clamping face I38 of the clamping block I23 is further provided with an angular groove 41.
The anti-skid lines on the upper holding surface I37, the upper holding surface II 39, the lower holding surface I38 and the lower holding surface II 40 can be saw-tooth-shaped or wave-shaped or other lines with anti-skid function.
The working process comprises the following steps:
if the experimental part is in a sheet shape or a square shape, the upper clamping surface I and the upper clamping surface II of the clamping block are used for clamping, if the experimental part is in a round shape or a triangular prism shape, the clamping block is directly taken out from the upper part of the supporting sleeve to change the direction, the supporting sleeve is directly filled, then the lower clamping surface I and the lower clamping surface II are used for clamping, and then an experiment is carried out;
connecting a set of multifunctional experiment clamp to a stretching experiment machine, pressing a support frame upwards, contracting a spring in a deep hole under the action of upward pressure, enabling a guide rod to slide upwards, driving a pressing block to slide upwards, enabling an inner spring of a clamping block to stretch out under the action of no pressure of the pressing block, enabling the outer side surface of the clamping block to be tightly attached to a supporting sleeve to slide upwards, enabling a guide rail on the upper portion of the clamping block to be always pushed into the pressing block, enabling the guide rod to slide upwards and transversely, enabling an experiment piece to be filled, loosening the support frame, enabling the spring in the deep hole to apply acting force downwards, driving the guide rod and the pressing block, enabling the pressing block to apply horizontal and downward acting force to the upper end of the clamping block, enabling the outer side of the clamping block to be tightly attached to the supporting sleeve to slide downwards, and enabling the clamping block to clamp the experiment piece;
connecting another set of multifunctional experiment clamp to the tensile testing machine, repeating the above actions to clamp the other end of the experimental piece, and carrying out a tensile experiment, wherein the clamping force is larger when the experimental piece is stretched due to the conical action of the clamping block and the supporting sleeve, and the clamping block always keeps stable clamping force on the experimental piece under the action of the springs in the deep holes;
after the experiment is finished, the support frame is pressed upwards, the pressing block is released to apply the acting force of the clamping block, and the clamping block is separated under the action of the internal spring to realize unloading of the sample, so that the experiment is finished.
The specific embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (4)
1. A multifunctional mechanical stretching experiment clamp is characterized in that: comprises a supporting frame (1), a stretching supporting sleeve (2) and a fusiform or double-head conical clamping block, wherein the stretching supporting sleeve (2) is arranged on the supporting frame (1); the center of the stretching supporting sleeve (2) is provided with a clamping block cavity, and the clamping block is arranged in the clamping block cavity;
the support frame (1) is vertically provided with a support rod I (3), a support rod II (4), a support rod III (5) and a support rod IV (6) which extend upwards,
the vertical direction is provided with a deep hole I (7), a deep hole II (8), a deep hole III (9), a deep hole IV (10), a chute I (11), a chute II (12), an inclined chute I (13) and an inclined chute II (14) with openings at the lower end in the wall of the stretching support sleeve (2), the deep hole I (7), the deep hole II (8), the chute I (11) and the inclined chute I (13) are arranged from outside to inside, the deep hole IV (10), the deep hole III (9), the chute II (12) and the inclined chute II (14) are arranged from outside to inside, the aperture of the deep hole I (7), the deep hole II (8), the deep hole III (9) and the deep hole IV (10) are the same, the deep hole I (7) and the deep hole IV (10) are axisymmetric, the deep hole II (8) and the deep hole III (9) are axisymmetric, the chute I (11) and the chute II (12) penetrate through the wall of the stretching support sleeve (2) and are axisymmetric, the chute I (11) penetrates the deep hole I (7) and the deep hole II (8), the chute II (12) penetrates the deep hole II (9) and the chute I (12) is smaller than the deep hole I (7) and the inclined chute II (14) is the same in size and the same; the deep hole I (7), the deep hole II (8), the deep hole III (9) and the deep hole IV (10) are respectively provided with springs I (15), springs II (16), springs III (17) and springs IV (18) with the same size, the lower ends of the springs I (15), the springs II (16), the springs III (17) and the springs IV (18) are respectively connected with guide blocks I (19), guide blocks II (20), guide blocks III (21) and guide blocks IV (22) with the same size, the diameter of the guide blocks I (19) is matched with the diameter of the deep hole I (7), the supporting rods I (3), the supporting rods II (4), the supporting rods III (5) and the top ends of the supporting rods IV (6) are respectively fixedly connected with the bottom ends of the guide blocks I (19), the guide blocks II (20), the guide blocks III (21) and the guide blocks IV (22), and through holes with the same diameter are arranged in the horizontal direction at the middle parts of the guide blocks I (19), the guide blocks II (20), the guide blocks III (21) and the guide blocks IV (22).
The clamping blocks comprise clamping blocks I (23) and clamping blocks II (24) with the same size, the clamping blocks I (23) and the clamping blocks II (24) are axially symmetrical, guide rails I (25) are arranged on the outer sides of the clamping blocks I (23), the lower parts of the guide rails I (25) are matched with inclined guide grooves I (13) of the stretching supporting sleeve (2), guide rails II (26) are arranged on the outer sides of the clamping blocks II (24), pressing blocks I (27) are arranged on the outer sides of the upper parts of the guide rails I (25), pressing blocks II (28) are arranged on the outer sides of the upper parts of the guide blocks II (26), guide rods extending outwards are horizontally arranged on the pressing blocks I (27), guide rods I which are arranged in the guide grooves I (11) and penetrate through the perforated guide blocks I (19) and the perforated guide blocks II (20), guide rods extending outwards are horizontally arranged on the guide blocks II (28) and are arranged on the outer sides of the upper parts of the guide blocks II (26) and are symmetrically arranged on the guide blocks II (12) and the guide blocks II (12) which extend outwards;
the upper part of the stretching support sleeve (2) is also provided with a symmetrical connecting bayonet I (29) and a symmetrical connecting bayonet II (30);
the clamp splice I (23) middle part inboard parallel arrangement has shrinkage pool I (31) and shrinkage pool II (32) that the size is the same, clamp splice II (24) middle part inboard parallel arrangement has shrinkage pool III (33) and shrinkage pool IV (34) that the size is the same, shrinkage pool I (31) and shrinkage pool III (33) cooperation, shrinkage pool II (32) and shrinkage pool IV (34) cooperation, be provided with spring V (35) in shrinkage pool I (31) and shrinkage pool III (33), the one end and the clamp splice I (23) of spring V (35) are connected and the other end is connected with clamp splice II (24), be provided with spring VI (36) in shrinkage pool II (32) and shrinkage pool IV (34), the one end and the clamp splice I (23) of spring VI (36) are connected and the other end is connected with clamp splice II (24).
2. The multifunctional mechanical stretching experiment fixture according to claim 1, wherein: the clamping block I (23) inboard is provided with clamping face I (37), lower clamping face I (38), and clamping block II (24) inboard is provided with clamping face II (39), lower clamping face II (40), goes up clamping face I (37) and the cooperation of clamping face II (39), and lower clamping face I (38) and the cooperation of clamping face II (40) down.
3. The multifunctional mechanical stretching experiment fixture according to claim 2, wherein: the upper clamping surface I (37) and the upper clamping surface II (39) are planes; the lower clamping surface I (38) and the lower clamping surface II (40) are cambered surfaces; the upper clamping surface I (37), the upper clamping surface II (39), the lower clamping surface I (38) and the lower clamping surface II (40) are all provided with anti-skid patterns.
4. A multifunctional mechanical stretching experiment fixture according to claim 3, characterized in that: the lower clamping surface I (38) of the clamping block I (23) is also provided with an angular groove (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710981546.3A CN107621405B (en) | 2017-10-20 | 2017-10-20 | Multifunctional mechanical stretching experiment clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710981546.3A CN107621405B (en) | 2017-10-20 | 2017-10-20 | Multifunctional mechanical stretching experiment clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107621405A CN107621405A (en) | 2018-01-23 |
| CN107621405B true CN107621405B (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710981546.3A Active CN107621405B (en) | 2017-10-20 | 2017-10-20 | Multifunctional mechanical stretching experiment clamp |
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| Country | Link |
|---|---|
| CN (1) | CN107621405B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201974335U (en) * | 2011-03-17 | 2011-09-14 | 河北省电力建设调整试验所 | Special chuck of nonstandard bolt sample |
| CN104655484A (en) * | 2015-01-31 | 2015-05-27 | 江汉大学 | Clamp for electrified stretching |
| CN204514710U (en) * | 2015-01-31 | 2015-07-29 | 江汉大学 | A kind of for the fixture stretched that is energized |
| CN105115819A (en) * | 2015-09-18 | 2015-12-02 | 中国航空工业集团公司沈阳发动机设计研究所 | Fatigue test clamp |
| CN206311427U (en) * | 2016-12-16 | 2017-07-07 | 深圳市水务工程检测有限公司 | A kind of tensile test fixture and universal testing machine |
-
2017
- 2017-10-20 CN CN201710981546.3A patent/CN107621405B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201974335U (en) * | 2011-03-17 | 2011-09-14 | 河北省电力建设调整试验所 | Special chuck of nonstandard bolt sample |
| CN104655484A (en) * | 2015-01-31 | 2015-05-27 | 江汉大学 | Clamp for electrified stretching |
| CN204514710U (en) * | 2015-01-31 | 2015-07-29 | 江汉大学 | A kind of for the fixture stretched that is energized |
| CN105115819A (en) * | 2015-09-18 | 2015-12-02 | 中国航空工业集团公司沈阳发动机设计研究所 | Fatigue test clamp |
| CN206311427U (en) * | 2016-12-16 | 2017-07-07 | 深圳市水务工程检测有限公司 | A kind of tensile test fixture and universal testing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107621405A (en) | 2018-01-23 |
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